v0.3.7 release

What's Changed

• upgrade to wxSQLite3 4.9.8 and switch to cmake by @guanlisheng in #18
• refine to honor dbkey during attaching by @guanlisheng in #19
• support multi cipher (mc) and detect proper cipher auto by @guanlisheng in #20
• open auto detect cipher and SQLCipher as default write by @guanlisheng in #23
• convert into SQLCipher/AES256 by @guanlisheng in #24
• update msvc_2013 build by @guanlisheng in #25

Full Changelog: v0.3.6...v0.3.7